/*
 * ProGuard -- shrinking, optimization, obfuscation, and preverification of Java bytecode.
 *
 * Copyright (c) 2002-2018 GuardSquare NV
 *
 * This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public
 * License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later
 * version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along with this program; if not, write to the Free
 * Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */
package proguard.obfuscate;

/**
 * This <code>NameFactory</code> generates names that are special, by appending a suffix.
 *
 * @author Eric Lafortune
 */
public class SpecialNameFactory implements NameFactory {
    private static final char SPECIAL_SUFFIX = '_';

    private final NameFactory nameFactory;

    /**
     * Creates a new <code>SpecialNameFactory</code>.
     * 
     * @param nameFactory the name factory from which original names will be retrieved.
     */
    public SpecialNameFactory(NameFactory nameFactory) {
        this.nameFactory = nameFactory;
    }

    // Implementations for NameFactory.

    public void reset() {
        nameFactory.reset();
    }

    public String nextName() {
        return nameFactory.nextName() + SPECIAL_SUFFIX;
    }

    // Small utility methods.

    /**
     * Returns whether the given name is special.
     */
    static boolean isSpecialName(String name) {
        return name != null && name.charAt(name.length() - 1) == SPECIAL_SUFFIX;
    }

    public static void main(String[] args) {
        SpecialNameFactory factory = new SpecialNameFactory(new SimpleNameFactory());

        for (int counter = 0; counter < 50; counter++) {
            System.out.println("[" + factory.nextName() + "]");
        }
    }
}
